<template>
  <div style="padding: 10px">
    <!--    功能区域-->
    <div style="margin: 10px 0">
      <el-button type="primary" @click="add" v-if="user.role === 1">新增</el-button>
      <el-popconfirm
          v-if="user.role === 1"
          title="确定删除吗？"
          @confirm="deleteBatch"
      >
        <template #reference>
          <el-button type="danger" >批量删除</el-button>
        </template>
      </el-popconfirm>

    </div>

    <!--    搜索区域-->
    <div style="margin: 10px 0">
      <el-input v-model="search" placeholder="请输入关键字" style="width: 20%" clearable></el-input>
      <el-button type="primary" style="margin-left: 5px" @click="load">查询</el-button>
    </div>
    <el-table
        v-loading="loading"
        :data="tableData"
        border
        stripe
        style="width: 100%"
        @selection-change="handleSelectionChange"
    >
      <el-table-column
          type="selection"
          width="55">
      </el-table-column>
      <el-table-column
          prop="id"
          label="ID"
          sortable
      >
      </el-table-column>
      <el-table-column
          prop="name"
          label="名称">
      </el-table-column>
      <el-table-column
          prop="price"
          label="单价">
      </el-table-column>
      <el-table-column
          prop="author"
          label="作者">
      </el-table-column>
      <el-table-column
          prop="createTime"
          label="出版时间">
      </el-table-column>
      <el-table-column
          label="封面">
        <template #default="scope">
          <el-image
              style="width: 100px; height: 100px"
              :src="scope.row.cover"
              :preview-src-list="[scope.row.cover]">
          </el-image>
        </template>
      </el-table-column>
      <el-table-column label="操作" width="240">
        <template #default="scope">
          <el-button type="primary" size="mini" @click="buy(scope.row.id)">购买</el-button>
          <el-button size="mini" @click="handleEdit(scope.row)" v-if="user.role === 1">编辑</el-button>
          <el-popconfirm title="确定删除吗？" @confirm="handleDelete(scope.row.id)" v-if="user.role === 1">
            <template #reference>
              <el-button size="mini" type="danger">删除</el-button>
            </template>
          </el-popconfirm>
        </template>
      </el-table-column>
    </el-table>

    <div style="margin: 10px 0">
      <el-pagination
          @size-change="handleSizeChange"
          @current-change="handleCurrentChange"
          :current-page="currentPage"
          :page-sizes="[5, 10, 20]"
          :page-size="pageSize"
          layout="total, sizes, prev, pager, next, jumper"
          :total="total">
      </el-pagination>

      <el-dialog title="提示" v-model="dialogVisible" width="30%">
        <el-form :model="form" label-width="120px">
          <el-form-item label="名称">
            <el-input v-model="form.name" style="width: 80%"></el-input>
          </el-form-item>
          <el-form-item label="价格">
            <el-input v-model="form.price" style="width: 80%"></el-input>
          </el-form-item>
          <el-form-item label="作者">
            <el-input v-model="form.author" style="width: 80%"></el-input>
          </el-form-item>
          <el-form-item label="出版时间">
            <el-date-picker v-model="form.createTime" value-format="YYYY-MM-DD" type="date" style="width: 80%" clearable></el-date-picker>
          </el-form-item>
          <el-form-item label="封面">
            <el-upload ref="upload" :action="filesUploadUrl" :on-success="filesUploadSuccess">
              <el-button type="primary">点击上传</el-button>
            </el-upload>
          </el-form-item>
        </el-form>
        <template #footer>
          <span class="dialog-footer">
            <el-button @click="dialogVisible = false">取 消</el-button>
            <el-button type="primary" @click="save">确 定</el-button>
          </span>
        </template>
      </el-dialog>

    </div>
  </div>
</template>

<script>


import book from "@/api/service"

export default {
  name: 'Book',
  components: {

  },
  data() {
    return {
      user: {},
      loading: true,
      form: {},
      dialogVisible: false,
      search: '',
      currentPage: 1,
      pageSize: 8,
      total: 0,
      tableData: [],
      // filesUploadUrl: "http://" + window.server.filesUploadUrl + ":9090/files/upload",
      ids: []
    }
  },
  created() {
    // let userStr = sessionStorage.getItem("user") || "{}"
    // this.user = JSON.parse(userStr)
    // // 请求服务端，确认当前登录用户的 合法信息
    // request.get("/user/" + this.user.id).then(res => {
    //   if (res.code === '0') {
    //     this.user = res.data
    //   }
    // })
    //
    this.load()
  },
  methods: {
  //   buy(bookId) {
  //     request.get("/order/buy/" + bookId).then(res => {
  //       // 请求成功跳转沙箱支付的页面
  //       window.open(res.data)
  //     })
  //   },
  //   deleteBatch() {
  //     if (!this.ids.length) {
  //       this.$message.warning("请选择数据！")
  //       return
  //     }
  //     request.post("/book/deleteBatch", this.ids).then(res => {
  //       if (res.code === '0') {
  //         this.$message.success("批量删除成功")
  //         this.load()
  //       } else {
  //         this.$message.error(res.msg)
  //       }
  //     })
  //   },
  //   handleSelectionChange(val) {
  //     this.ids = val.map(v => v.id)   // [{id,name}, {id,name}] => [id,id]
  //   },
  //   filesUploadSuccess(res) {
  //     console.log(res)
  //     this.form.cover = res.data
  //   },
    load() {
      this.loading = true
      book.getList(this.currentPage,this.pageSize,this.search).then((res)=>{
        this.loading = false
        this.tableData = res.data.records
        this.total = res.data.total
      })
    },
  //   add() {
  //     this.dialogVisible = true
  //     this.form = {}
  //     if (this.$refs['upload']) {
  //       this.$refs['upload'].clearFiles()  // 清除历史文件列表
  //     }
  //   },
  //   save() {
  //     if (this.form.id) {  // 更新
  //       request.put("/book", this.form).then(res => {
  //         console.log(res)
  //         if (res.code === '0') {
  //           this.$message({
  //             type: "success",
  //             message: "更新成功"
  //           })
  //         } else {
  //           this.$message({
  //             type: "error",
  //             message: res.msg
  //           })
  //         }
  //         this.load() // 刷新表格的数据
  //         this.dialogVisible = false  // 关闭弹窗
  //       })
  //     }  else {  // 新增
  //       request.post("/book", this.form).then(res => {
  //         console.log(res)
  //         if (res.code === '0') {
  //           this.$message({
  //             type: "success",
  //             message: "新增成功"
  //           })
  //         } else {
  //           this.$message({
  //             type: "error",
  //             message: res.msg
  //           })
  //         }
  //
  //         this.load() // 刷新表格的数据
  //         this.dialogVisible = false  // 关闭弹窗
  //       })
  //     }
  //   },
  //   handleEdit(row) {
  //     this.form = JSON.parse(JSON.stringify(row))
  //     this.dialogVisible = true
  //     this.$nextTick(() => {
  //       if (this.$refs['upload']) {
  //         this.$refs['upload'].clearFiles()  // 清除历史文件列表
  //       }
  //     })
  //
  //   },
  //   handleDelete(id) {
  //     console.log(id)
  //     request.delete("/book/" + id).then(res => {
  //       if (res.code === '0') {
  //         this.$message({
  //           type: "success",
  //           message: "删除成功"
  //         })
  //       } else {
  //         this.$message({
  //           type: "error",
  //           message: res.msg
  //         })
  //       }
  //       this.load()  // 删除之后重新加载表格的数据
  //     })
  //   },
  //   handleSizeChange(pageSize) {   // 改变当前每页的个数触发
  //     this.pageSize = pageSize
  //     this.load()
  //   },
  //   handleCurrentChange(pageNum) {  // 改变当前页码触发
  //     this.currentPage = pageNum
  //     this.load()
  //   }
  }
}
</script>
